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    ASTM A827 A827M-2002(2007) Standard Specification for Plates Carbon Steel for Forging and Similar Applications《锻造和类似用途用碳钢板标准规范》.pdf

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    ASTM A827 A827M-2002(2007) Standard Specification for Plates Carbon Steel for Forging and Similar Applications《锻造和类似用途用碳钢板标准规范》.pdf

    1、Designation: A 827/A 827M 02 (Reapproved 2007)Standard Specification forPlates, Carbon Steel, for Forging and Similar Applications1This standard is issued under the fixed designation A 827/A 827M; the number immediately following the designation indicates the yearof original adoption or, in the case

    2、 of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This speci

    3、fication covers carbon steel plates, forgingquality, intended for forging, quenching-and-tempering, andsimilar applications in which uniformity of composition andfreedom from injurious imperfections are important.1.2 The plates are available in six grades, or chemicalcompositions.1.3 When the steel

    4、is to be welded, it is presupposed that awelding procedure suitable for the grade of steel and intendeduse or service will be utilized. See Appendix X3 of Specifica-tion A 6/A 6M for information on weldability.1.4 The values stated in either inch-pound or SI units are tobe regarded as standard. With

    5、in the text, the SI units are shownin brackets. The values stated in each system are not exactequivalents; therefore, each system must be used indepen-dently of the other. Combining values from the two sytemsmay result in nonconformance with the specification.2. Referenced Documents2.1 ASTM Standard

    6、s:2A 6/A 6M Specification for General Requirements forRolled Structural Steel Bars, Plates, Shapes, and SheetPiling2.2 ASME Code:3ASME Boiler and Pressure Vessel Code , Section IX,Welding Qualifications3. General Requirements and Ordering Information3.1 Material furnished under this specification sh

    7、all con-form to the requirements of the current edition of SpecificationA 6/A 6M, for the ordered material, unless a conflict exists inwhich case this specification shall prevail.4. Materials and Manufacture4.1 The steel shall be killed.5. Chemical Composition5.1 The heat analysis shall conform to t

    8、he requirements forthe applicable grade listed in Table 1.6. Mechanical Property Requirements6.1 The plates shall not be subject to mechanical propertytesting unless otherwise specified on the order.7. Quality7.1 GeneralThe plates shall be free of injurious imper-fections and shall have a workmanlik

    9、e finish.7.2 FinishThe plates shall be furnished with a finish suchas that produced by hot-rolling, except for ground areasresulting from conditioning operations, unless otherwise speci-fied on the order.7.3 Surface Imperfections:7.3.1 All injurious surface imperfections shall be removedby the mater

    10、ial manufacturer or processor.7.3.1.1 Shallow imperfections shall be ground to soundmetal; the ground area shall be well-faired and the thickness ofthe ground plate shall not be reduced below the minimumthickness permitted.7.3.1.2 All surface imperfections, the removal of which willreduce the plate

    11、thickness below the minimum permitted, shallbe cause for rejection; however, such imperfections may berepaired by welding as provided in 7.5.7.4 Edge Imperfections:7.4.1 Laminar-type discontinuities 1 in. 25 mm and less inlength, and visible to the unaided eye on the edges of plates asprepared for s

    12、hipment by the manufacturer or processor, areacceptable and do not require exploration.7.4.2 All larger discontinuities shall be explored to deter-mine their depth and extent. Discontinuities shall be consideredcontinuous when located in the same plane within 5 % of theplate thickness and when separ

    13、ated by a distance less than thelength of the smaller of two adjacent discontinuities.1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.02 on Structural Steel for Bridges, Buildings, Rol

    14、ling Stock and Ships.Current edition approved March 1, 2007. Published March 2007. Originallyapproved in 1984. Last previous edition approved in 2002 as A 827 02.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book

    15、of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990, http:/www.asme.org.1Copyright ASTM International, 100 Barr H

    16、arbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.7.4.3 Indications visible to the unaided eye, on the cut edgesof a plate as prepared for shipment by the manufacturer orprocessor shall not exceed the limits given in Columns 1 and 2of Table 2.7.4.4 Larger indications shall be

    17、 removed by the manufac-turer or processor by grinding provided the resultant cavitydoes not exceed the limits given in Columns 3 and 4 of Table2.7.4.5 Indications of greater magnitude shall be cause forrejection; however, the defects may be removed and replacedwith weld metal as provided in 7.5.7.4

    18、.6 Indications on the edges of a plate cut during fabrica-tion shall be cause for rejection of the plate, at the discretion ofthe purchaser, when the magnitude exceeds the limits given inColumns 5 and 6 of Table 2. The defects may be removed andreplaced with weld metal as provided in 7.5.7.5 Repair

    19、by Welding:7.5.1 Repairs shall be done by welders or welding operatorsmeeting the qualification requirements of ASME Boiler andPressure Vessel Code.7.5.2 The welding procedures shall be demonstrated to besuitable for the grade of material being repaired.7.5.3 The deposited weld metal shall have a ch

    20、emicalcomposition similar to the nominal composition of the plate.7.5.4 Preparation for repair welding shall include inspectionto assure complete removal of the defect.7.5.5 If repair by welding is not acceptable, or if approval ofthe welding procedure by the purchaser is required, the ordershall so

    21、 specify.8. Certification8.1 A report of the heat analysis and the results of all testsrequired by the order shall be furnished to the purchaser. Thereport shall include a certification that the material wasmanufactured in accordance with the requirements of thisspecification.9. Keywords9.1 carbon;

    22、forging; imperfections; plates; quenching; steel;structural steel; tempering; uniformity of compositionTABLE 1 Chemical RequirementsGrade Element, %UNS SAE Carbon Manganese Phosphorus, max Sulfur, max SiliconG10090 1009 0.15 max 0.60 max 0.035 0.040 0.15 to 0.40G10200 1020 0.18 to 0.23 0.30 to 0.60

    23、0.035 0.040 0.15 to 0.40G10350 1035 0.32 to 0.38 0.60 to 0.90 0.035 0.040 0.15 to 0.40G10400 1040 0.37 to 0.44 0.60 to 0.90 0.035 0.040 0.15 to 0.40G10450 1045 0.43 to 0.50 0.60 to 0.90 0.035 0.040 0.15 to 0.40G10500 1050 0.48 to 0.55 0.60 to 0.90 0.035 0.040 0.15 to 0.40TABLE 2 Visible Edge Indicat

    24、ions Extending Approximately Parallel to Rolled SurfacesPlate ThicknessAcceptable Remove by Grinding Acceptable on Edges Cut in FabricationDepth LengthADepth LengthADepth LengthAColumn 1 2 3 4 5 6to 6 in. 150 mm, incl 1/16 in. 2 mm, max any over 1/16 in. to 1/8in.2 to 3 mm, inclover 1 in. 25 mm 1/8

    25、in. 3 mm, max anyover 6 in. 150 mm 1/8 in. 3 mm, max any over 1/8 in. to 1/2in.3 to 13 mm, inclover 1 in. 25 mm 1/2 in. 13 mm, max anyALaminar-type discontinuities 1 in. 25 mm and less in length are acceptable and do not require exploration.A 827/A 827M 02 (2007)2SUPPLEMENTARY REQUIREMENTSSupplement

    26、ary requirements shall not apply unless specified in the purchase order or contract.Standardized supplementary requirements for use at the option of the purchaser are listed inSpecification A 6/A 6M. Those that are considered suitable for use with this specification are listed bytitle:S1. Vacuum Tre

    27、atment,S2. Product Analysis,S5. Charpy V-Notch Impact Test, andS8. Ultrasonic Examination.ADDITIONAL SUPPLEMENTARY REQUIREMENTSIn addition, the following special supplementary requirements are also suitable for use with thisspecification.S95. Tension Test RequirementsS95.1 Two tension tests shall be

    28、 made on each lot unless thelot consists of only the product of one plate as-rolled, in whichcase one test shall be made on the lot. A lot shall consist of allplates of the same heat not differing in thickness by more than38 in. 10 mm. The test results shall conform to the require-ments stated on th

    29、e order.S82. Hardness TestsS82.1 Hardness tests shall be made as specified on the orderand the test results shall conform to the requirements specifiedon the order.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this

    30、standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be r

    31、eviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of therespon

    32、sible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West

    33、 Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).A 827/A 827M 02 (2007)3


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